package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import javax.websocket.server.PathParam;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        //1、密码MD5加密
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        //2、查数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

        //3、检查数据是否查询到
        if(emp == null){
            return R.error("登录失败");
        }

        //4、密码比对
        if(!emp.getPassword().equals(password)){
            return R.error("登录失败");
        }
        //5、查看员工账号状态
        if(emp.getStatus() == 0){
            return R.error("账号已经禁用");
        }

        //6、登录成功
        request.getSession().setAttribute("employee",emp.getId());

        return R.success(emp);
    }
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");

        return R.success("退出成功");
    }

    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工，员工信息：{}",employee.toString());

        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//
//        Long emId = (Long) request.getSession().getAttribute("employee");
//
//        employee.setCreateUser(emId);
//        employee.setUpdateUser(emId);

        employeeService.save(employee);
        return R.success("新增员工成功");

    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page = {},pageSize = {},name = {}",page,pageSize,name);

        Page pageInfo = new Page(page,pageSize);

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();

        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);

        queryWrapper.orderByDesc(Employee::getUpdateTime);

        employeeService.page(pageInfo,queryWrapper);



        return R.success(pageInfo);
    }

    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){

        log.info(employee.toString());

//        Long empID = (Long) request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empID);

        long id = Thread.currentThread().getId();
        log.info("线程ID为：{}",id);

        employeeService.updateById(employee);


        return R.success("员工信息修改成功");
    }
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){

        log.info("根据员工查询ID!!!!");

        Employee employee = employeeService.getById(id);
        if (employee != null){
            return R.success(employee);
        }
        return R.error("没有查询到员工信息");
    }


}
